www.MSruns.com read only forum (Jan.15,2018)

The MegaSquirt Project has experienced explosive growth other the years, with hundreds of new MS installations occurring every week - a phenomenal success! MegaSquirt has been successfully used in all aspects of Internal Combustion engine applications including R&D, Industry, Race, and Research. The MS project has transformed itself from a simple R&D project into a full-featured mature engine control system. To reflect this the support structure has also changed to meet the needs of MegaSquirt Users.
Moving forward, the R&D forums for MegaSquirt project are in a read-only mode - no new forum posts are accepted.
However the forums will remain available for view, they still contain a wealth of information on how MegaSquirt works, how it is installed and used. Feel free to search the forums for information, facts, and overview.While the R&D forum traffic has slowed in recent years, this is not at all a reflection of Megasquirt users, which continue to grow year after year. What has changed is that the method of MegaSquirt support today has rapidly moved to Facebook, this is where the vast majority of interaction is happening now. For those not on Facebook the msextra forums is another place for product support. Finally, for product selection assistance, all of the MegaSquirt vendors are there to help you select a system, along with all of the required pieces to make it complete.

My Miata/MX has recently had an NB8A engine fitted and while that was being done I upgraded my MS (which had been running fuel on the 1.6) to also run spark and idle control for the 1.8. I used the CAS board upgrade as described on the diyautotune site which works for a Miata CAS as well as the Toyota 4ag. The ignition mods were borrowed from Nate Sullieâ€™s success story.

The VE table was generated using MegaTune, the spark advance table was sourced from a FM Link table and then modified for the 12 x 12 MS spark tables, and the idle settings were used from a post on the MS EFI forum also by NateSully.

The car literally started at the first attempt. I mucked around with the idle screw for 30 seconds to stabilise the idle between 840 - 860 rpm and it happily drove around the block without any problems other than a bit of adjustment being needed for the acceleration settings.

I'm just amazed that the MS is working so well with the spark and idle given that all I've done is a few board mods based on some forum posts, and expanded and guestimated a spark table from a FM link spark table. I admit that it's nowhere near being properly tuned but for it to be behaving this well straight away has simply stunned me.

After taking the car for a 30 min drive and it is almost as good as the OEM setup without any tuning what-so-ever. If it's this good already, I can't wait until I start tuning it!!!

Here is my spark table that I sourced from a FM Link table. I added the extra MAP rows to make a 12x12 table from the Link's 6x16 table and I left out some of the Link's spark columns after 4000 rpm as they had very little difference between the values (and I have great faith in MS's interloping between data points in the tables).